.body{
}
.Head{
    height: 9000px;
    background-color: aqua;
    display: flex;
}
.Head-portrait{
    width: 600px;
}

.head-self{
    display: flex;
    width: 900px;
}

.ph-show{
    width: 100vw;
    background-color: aqua;
    height: 25vh;
}

.show{
    width:90vw;
    display: block;
}